eiZen, «I'm the operator
with my wrist watch calculator.»Some #HewlettPackard for your timeline to print out:
https://www.crazywatches.pl/hewlett-packard-hp-01-calculator-1977
http://www.led-forever.com/html/hp-01_led_calculator_watch.html
#hp #watch #calculator #retrohardware
The display, more close-up to the red time display showing 12:02 12. Black with grey keys.
The wrist watch with a small tool in action to press those mini keys.
The calculator wrist watches. The HP-01 in the middle. The others are maybe case variants or actually different models.
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